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A262112 Number of (3+1)X(n+1) 0..2 arrays with each row nonprime and column prime, read as a base 3 number with top and left being the most significant digits. 0
54, 1968, 61256, 1845169, 50756609, 1290246169 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 3 of A262109.
LINKS
EXAMPLE
Some solutions for n=3
..1..0..0..1....1..2..1..0....0..1..1..0....0..0..1..1....1..0..1..0
..2..1..0..1....1..1..0..2....0..2..1..0....0..2..2..1....2..0..1..0
..2..1..2..1....1..2..1..1....1..2..2..1....1..1..0..2....2..1..0..2
..2..1..1..2....2..2..1..2....2..2..1..2....0..2..2..1....2..0..1..1
CROSSREFS
Cf. A262109.
Sequence in context: A173188 A004363 A062144 * A076009 A358925 A003755
KEYWORD
nonn
AUTHOR
R. H. Hardin, Sep 11 2015
STATUS
approved

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Last modified July 12 06:35 EDT 2024. Contains 374237 sequences. (Running on oeis4.)